Feasibility, safety and diagnostic yield of interventional cardiac magnetic resonance for routine right heart catheterization in adults - 19/04/24
Graphical abstract |
Highlights |
• | Interventional CMR enables diagnostic RHC under sole CMR guidance. |
• | Interventional CMR allows simultaneous balloon catheter visualization. |
• | CMR-RHC was feasible and safe. |
• | CMR-RHC had a unique clinical impact on diagnosis and therapeutic decision-making. |
Abstract |
Background |
Real-time cardiac magnetic resonance generates spatially and temporally resolved images of cardiac anatomy and function, without the need for contrast agent or X-ray exposure. Cardiac magnetic resonance-guided right heart catheterization (CMR-RHC) combines the benefits of cardiac magnetic resonance and invasive cardiac catheterization. The clinical adoption of CMR-RHC represents the first step towards the development of cardiac magnetic resonance-guided therapeutic procedures.
Aim |
To describe the feasibility, safety and diagnostic yield of CMR-RHC in consecutive all-comer patients with clinical indications for right heart catheterization.
Methods |
From December 2018 to May 2021, 35 consecutive patients with prespecified indications for right heart catheterization were scheduled for CMR-RHC via the femoral route under local anaesthesia in a 1.5T cardiac magnetic resonance suite equipped for interventional cardiac magnetic resonance. The duration of various procedural components and safety data were recorded. Success rate (defined by the ability to record all prespecified haemodynamic measurements and imaging metrics), adverse events and patient/physician perprocedural comfort were assessed.
Results |
One patient withdrew his consent before the study, and scanner troubleshooting occurred in one case. Among the 33 remaining patients, prespecified cardiac magnetic resonance imaging metrics were obtained in all patients, whereas full CMR-RHC measurements were obtained in 30 patients (91%). A dedicated cardiac magnetic resonance-compatible wire was used in 25/33 procedures. CMR-RHC was completed in 29±16minutes, and the total duration of the procedure, including conventional cardiac magnetic resonance imaging, was 62±20minutes. There were no adverse events and no femoral haematomas. Procedural comfort was deemed good by the patients and operators for all procedures. CMR-RHC significantly impacted diagnosis or patient management in 28/33 patients (85%).
Conclusions |
CMR-RHC seems to be a feasible and safe procedure that can be used in routine daily practice in consecutive adults with an impactful clinical yield.
Le texte complet de cet article est disponible en PDF.Keywords : Interventional cardiac magnetic resonance, Right heart catheterization, Feasibility, Safety, Clinical yield
Plan
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Vol 117 - N° 4
P. 275-282 - avril 2024 Retour au numéro
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